|Delete the data related to the order
Use this method to delete the order related data. The order will still be accessible, but all the related data, e.g. input media and transcripts will be removed. After this call all attachments won't be available.
On success, 200 OK.
If the order with given order number is not found, 404 Not Found. In case the order is not in a valid state for deletion, 400 Bad Request.